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Matches 1 - 13 out of 13


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US20130264420 ADAPTABLE AIRPORT SYSTEM WITH INDUSTRIAL ZONES AND CLEAN ENERGY GENERATION  
An environmentally-friendly airport with renewable energy sources. The environmentally-friendly airport includes a security zone encompassing the land area of the airport, and a plurality of...
US20090074513 OCEAN WATER DRAWING SYSTEM  
An ocean water drawing system includes: a well; a working tunnel disposed underground and having an end segment distal from the well; a pipeline unit including a primary pipeline disposed in the...
US20060105695 Anchored mine ventilation structure  
A ventilation structure for installation at a mine intersection includes first and second generally parallel side walls. Each side wall is of such height as to wall off at least a portion of a...
US20100098496 TUNNEL MULTI GALLERY  
Railway tunnel of circular section with two lines, constructed with tunnel boring machine, having a separating wall, disposed at the middle of the tunnel, and a slab, placed slightly over the...
US20090136299 TUNNEL SUPPORTED ON BEARING BLOCKS  
The tunnel supported on bearing blocks is a tunnel to be executed in weak soils, which is constituted by two tubes: an exterior tube, formed by precast elements, which are mounted by a tunnel...
US20140314490 PUMPABLE MINE VENTILATION STRUCTURE  
A pumpable mine ventilation stopping wall structure comprised of a pumpable bag having spaced walls of generally parallel nonporous and flexible sheets with the sheets retained in spaced...
US20050186032 Underwater ambient pressure viewing tunnel system  
An aspect of the present invention addresses how to achieve a simple structure, easy and economical to build, that will permit any person, without training or specialized technical equipment, to...
US20080205989 Method for Tunnel Construction  
There is provided a method of constructing a section of a half-tunnel in a slope (10) of a mountain or hill (12), including the steps of forming a lock block (18) along the section (16) above the...
US20120319452 Apparatus and method for mining coal  
The present invention relates to a novel method of mining underground coal and recovering coal seam gas, the method including locating a seam of coal; digging a mine shaft to reach the seam of...
US20100319563 TRANSPORATION SYSTEM FOR A SUB-SURFACE ACTIVITY AREA  
A transportation system comprising means for evacuating personnel from at least one area of activity (16) under a surface (13, 14), where the transportation system comprises at least one transport...
US20130243528 Formation of Underground Constructions  
The invention relates to a method and apparatus for the formation of underground structures. The method includes the provision of the formation of at least two spaced support structures which are...
US20120294680 Device and method for anchoring a cable bolt  
The invention provides a method for anchoring a cable bolt in a ground formation using a multi-part resin system and an injection adaptor for use in the anchoring method.
US20100189512 APPARATUS AND METHODS FOR UNDERGROUND STRUCTURES AND CONSTRUCTION THEREOF  
Described herein are apparatus, systems and methods useful in forming underground vertical structures. Methods are described for constructing an underground vertical structure, comprising the steps...
Matches 1 - 13 out of 13